GENEVA, Aug 4 (Reuters) - The U.N. envoy to Yemen believes
his plan to end a four-month conflict that has triggered a
humanitarian crisis in Yemen is increasingly gaining acceptance
among the warring parties, a U.N. spokesman said on Tuesday.

U.N.-led talks in June between northern Houthi rebel
fighters and supporters of the government of President Abd-Rabbu
Mansour Hadi failed to end the war, in which the United Nations
says nearly 2,000 civilians have been killed.

A stand-off between the two sides escalated in late March
when a Saudi-led Arab coalition began a campaign of air strikes
against the Houthis and their allies, loyalists of former
president Ali Abdullah Saleh.

On a visit to Cairo, U.N. envoy Ismail Ould Cheikh Ahmed met
the secretary-general of the General People's Congress (GPC)
party, which supports Saleh, and Nabil Elaraby, the
secretary-general of the Arab League, U.N. spokesman Ahmad Fawzi
said.

"He feels his plan is gaining more and more acceptance among
the parties. Riyadh has a indicated positive reaction towards
the plan, the GPC is considering it positively," he said.

The five days of talks in Geneva produced agreement in
principle on a ceasefire and withdrawal of armed forces. The
talks broke up before a final deal could be agreed, but Ould
Cheikh Ahmed said he remained optimistic.

Fawzi said that after Egypt, Ould Cheikh Ahmed would go to
Oman, where he has previously met Houthi representatives, and to
Riyadh, home to Hadi's government in exile, and then to New York
to brief the U.N. Security Council.

Fawzi denied that Ould Cheikh Ahmed had discussed the
possibility of negotiating Saleh's exit from Yemen, but added
that Arab League secretary-general Elaraby had told the envoy
that the league would consider monitoring a ceasefire in Yemen.
(Editing by Raissa Kasolowsky)